<?php 
//判断是不是手机请求
function skl_isMobile(){
		$_SERVER['ALL_HTTP'] = isset($_SERVER['ALL_HTTP']) ? $_SERVER['ALL_HTTP'] : '';

		$mobile_browser = '0';

		if(preg_match('/(up.browser|up.link|mmp|symbian|smartphone|midp|wap|phone|iphone|ipad|ipod|android|xoom)/i', strtolower($_SERVER['HTTP_USER_AGENT']))) {
				$mobile_browser++;
		}
		if((isset($_SERVER['HTTP_ACCEPT'])) and (strpos(strtolower($_SERVER['HTTP_ACCEPT']),'application/vnd.wap.xhtml+xml') !== false)) {
				$mobile_browser++;
		}
		if(isset($_SERVER['HTTP_X_WAP_PROFILE'])) {
				$mobile_browser++;
		}
		if(isset($_SERVER['HTTP_PROFILE'])) {
				$mobile_browser++;
		}
		$mobile_ua = strtolower(substr($_SERVER['HTTP_USER_AGENT'],0,4));
		$mobile_agents = array(
												'w3c ','acs-','alav','alca','amoi','audi','avan','benq','bird','blac',
												'blaz','brew','cell','cldc','cmd-','dang','doco','eric','hipt','inno',
												'ipaq','java','jigs','kddi','keji','leno','lg-c','lg-d','lg-g','lge-',
												'maui','maxo','midp','mits','mmef','mobi','mot-','moto','mwbp','nec-',
												'newt','noki','oper','palm','pana','pant','phil','play','port','prox',
												'qwap','sage','sams','sany','sch-','sec-','send','seri','sgh-','shar',
												'sie-','siem','smal','smar','sony','sph-','symb','t-mo','teli','tim-',
												'tosh','tsm-','upg1','upsi','vk-v','voda','wap-','wapa','wapi','wapp',
												'wapr','webc','winw','winw','xda','xda-'
												);

		if(in_array($mobile_ua, $mobile_agents)) {
				$mobile_browser++;
		}
		if(strpos(strtolower($_SERVER['ALL_HTTP']), 'operamini') !== false) {
				$mobile_browser++;
		}
		// Pre-final check to reset everything if the user is on Windows
		if(strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'windows') !== false) {
				$mobile_browser=0;
		}
		// But WP7 is also Windows, with a slightly different characteristic
		if(strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'windows phone') !== false) {
				$mobile_browser++;
		}
		if($mobile_browser>0) {
				return true;
		} else {
				return false;
		}
}


?>